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Type 430 is a ferritic stainless steel with corrosion resistance approaching that of 304/304L stainless steel. This grade does not work harden rapidly and can be formed using both mild stretch forming, bending, or drawing operations. This grade is used in a variety of interior and exterior cosmetic applications where corrosion resistance is more important than strength. Type 430 has poor weldability compared to most stainless steels due to the higher carbon content and lack of stabilizing elements for this grade, which requires post weld heat treatment to restore the corrosion resistance and ductility. Stabilized grades such as Type 439 and 441 should be considered for welded ferritic stainless steel applications.
430 stainless steel coil is a kind of high quality alloy, which can be used in the manufacture of various stainless steel end products.
The main applications of 430 stainless steel coil:
Chemical industry: chemical storage tank, vessel, heat exchanger;
Food industry: liquid storage tank, evaporator;
Agricultural industry: steam boiler and condenser;
Papermaking industry: boiler tube;
Metallurgy industry: heat-exchanger tube in metallurgical industries.
The chemical components of grade 430 stainless steel coil is summarized in the following table:
| Grade | Standard | C | Si | Mn | P | S | Cr | Ni | Mo |
| 430 | ASTM A240 | ≤0.12 | ≤0.75 | ≤1.00 | ≤0.040 | ≤0.030 | 16.00-18.00 | ≤0.75 | – |
| Grade | EN Grade | Yield Strength Rp0.2(N/mm²) | Tensile Strength Rm(N/mm²) | Hardness | Vickers Hardness(HV) | Elongation A50% |
| 430 | 1.4016 | ≥206 | ≥450 | Annealed | ≤200 | ≥22 |
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Liaocheng Economic and Technological Development Zone, Shandong Province, China
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